/* 
 * ------------------------------------------------------------------------------
 *
 * MIT License
 *
 * Copyright (c) 2021 Parallel Applications Modelling Group - GMAP
 *      GMAP website: https://gmap.pucrs.br
 *
 * Pontifical Catholic University of Rio Grande do Sul (PUCRS)
 * Av. Ipiranga, 6681, Porto Alegre - Brazil, 90619-900
 *
 * Permission is hereby granted, free of charge, to any person obtaining a copy
 * of this software and associated documentation files (the "Software"), to deal
 * in the Software without restriction, including without limitation the rights
 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
 * copies of the Software, and to permit persons to whom the Software is
 * furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included in all
 * copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
 * SOFTWARE.
 *
 * ------------------------------------------------------------------------------
 *
 * The original NPB 3.4 version was written in Fortran and belongs to:
 *      http://www.nas.nasa.gov/Software/NPB/
 *
 * ------------------------------------------------------------------------------
 *
 * The serial C++ version is a translation of the original NPB 3.4
 * Serial C++ version: https://github.com/GMAP/NPB-CPP/tree/master/NPB-SER
 *
 * Authors of the C++ code:
 *      Dalvan Griebler <dalvangriebler@gmail.com>
 *      Gabriell Araujo <hexenoften@gmail.com>
 *      Júnior Löff <loffjh@gmail.com>
 *
 * ------------------------------------------------------------------------------
 */

#include <cuda.h>
#include <stdio.h>
#include <stdlib.h>

#define DEVICE_NAME_INFO 0
#define WARP_SIZE_INFO 1
#define THREADS_PER_BLOCK_INFO 2

int main(int argc, char** argv){
    int gpu_device_id = atoi(argv[1]);
    int functionality = atoi(argv[2]);

    cudaDeviceProp gpu_device_properties;
    cudaSetDevice(gpu_device_id);	
    cudaGetDeviceProperties(&gpu_device_properties, gpu_device_id);
    
    if(functionality==DEVICE_NAME_INFO){
        printf("%s\n", gpu_device_properties.name);
    } else if(functionality==WARP_SIZE_INFO){
        printf("%d\n", gpu_device_properties.warpSize);
    }else if(functionality==THREADS_PER_BLOCK_INFO){
        printf("%d\n", gpu_device_properties.maxThreadsPerBlock);
    }

    return 0;
}